47978220308480 has 3072 divisors, whose sum is σ = 169556115456000. Its totient is φ = 12561835622400.

The previous prime is 47978220308479. The next prime is 47978220308507. The reversal of 47978220308480 is 8480302287974.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 465807964109 + ... + 465807964211.

It is an arithmetic number, because the mean of its divisors is an integer number (55194048000).

Almost surely, 2^{47978220308480} is an apocalyptic number.

47978220308480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47978220308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84778057728000).

47978220308480 is an abundant number, since it is smaller than the sum of its proper divisors (121577895147520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47978220308480 is a wasteful number, since it uses less digits than its factorization.

47978220308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 62.

The spelling of 47978220308480 in words is "forty-seven trillion, nine hundred seventy-eight billion, two hundred twenty million, three hundred eight thousand, four hundred eighty".